The Protocol School of Washington Email Format

Professional Training and CoachingSouth Carolina, United States11-50 Employees

The Protocol School of Washington is a mid-sized professional training and coaching institution based in Columbia, South Carolina, specializing in protocol, business and intercultural etiquette, and cross-cultural communications. Since 1988, the school has delivered a curriculum shaped by corporate, military, and academic professionals, with a focus on practical skills that help build lasting business relationships. 

Its alumni network includes more than 6,000 professionals from over 90 countries, and the organization provides private trainings for major corporations and international government bodies. In early 2026, PSOW announced a partnership with Affinius Capital LLC and the SMU Cox Folsom Institute of Real Estate to offer a tailored program for interns and entry-level analysts titled Everything Speaks - Protocol & Business Etiquette Intelligence. The institution is accredited by the Accrediting Council for Continuing Education & Training (ACCET), reflecting adherence to national standards for continuing education.

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